RU2017141815A - Device for accommodating a catheter, including a needle protection element, designed to be extended - Google Patents

Device for accommodating a catheter, including a needle protection element, designed to be extended Download PDF

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Publication number
RU2017141815A
RU2017141815A RU2017141815A RU2017141815A RU2017141815A RU 2017141815 A RU2017141815 A RU 2017141815A RU 2017141815 A RU2017141815 A RU 2017141815A RU 2017141815 A RU2017141815 A RU 2017141815A RU 2017141815 A RU2017141815 A RU 2017141815A
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RU
Russia
Prior art keywords
needle
input device
catheter
assembly
blood
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RU2017141815A
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Russian (ru)
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RU2017141815A3 (en
RU2722931C2 (en
Inventor
Даниель Б. БЛАНЧАРД
Хый Нок ТРАН
Рекс А. РИБЕЛИН
Томас С. РАССЕЛ
Амир ОРОМЕ
Джордан П. ДАЙМОНД
Эрик У. ЛИНДЕКУГЕЛЬ
Марк А. КРИСТЕНСЕН
Джей А. МЬЮЗ
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С.Р.Бард, Инк.
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Publication of RU2017141815A publication Critical patent/RU2017141815A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • A61B5/1405—Devices for taking blood samples
    • A61B5/1422—Devices for taking blood samples provided with indicating means, e.g. for vein entry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0693—Flashback chambers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1585—Needle inserters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1588—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body having means for monitoring, controlling or visual inspection, e.g. for patency check, avoiding extravasation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/586—Ergonomic details therefor, e.g. specific ergonomics for left or right-handed users

Claims (97)

1. Устройство ввода для введения катетера в тело пациента, содержащее: корпус;1. An input device for inserting a catheter into a patient’s body, comprising: a housing; по меньшей мере частично полую иглу, дистально проходящую от корпуса, причем по меньшей мере участок катетера изначально расположен поверх иглы так, что катетер расположен по существу снаружи корпуса;at least partially a hollow needle extending distally from the body, and at least a portion of the catheter is initially located on top of the needle so that the catheter is located substantially outside the body; проволочный направитель; иguidewire; and узел выдвижения, выполненный с возможностью выборочного выдвижения дистального конца проволочного направителя из дистального отверстия иглы при подготовке к дистальному выдвижению катетера, при этом узел выдвижения дополнительно выполнен с возможностью обеспечения выборочного выдвижения катетера в дистальном направлении,the extension unit, configured to selectively extend the distal end of the guide wire from the distal hole of the needle in preparation for the distal extension of the catheter, while the extension unit is additionally configured to provide selective extension of the catheter in the distal direction, при этом устройство ввода выполнено с возможностью захвата устройства пользователем во время использования одной рукой, и при этом пользователь может выполнять выдвижение проволочного направителя и катетера посредством узла выдвижения с помощью одной руки.wherein the input device is adapted to be gripped by the user during use with one hand, and the user can extend the guide wire and the catheter through the extension unit with one hand. 2. Устройство ввода по п. 1, в котором узел выдвижения включает в себя опору для пальцев, выполненную с возможностью перемещения пользователем для выдвижения по меньшей мере одного из проволочного направителя и катетера.2. The input device according to claim 1, wherein the extension assembly includes a support for the fingers, adapted for movement by the user to extend at least one of the guide wire and the catheter. 3. Устройство ввода по п. 2, в котором опора для пальцев расположена с возможностью скольжения на корпусе.3. The input device according to claim 2, wherein the finger support is slidably mounted on the housing. 4. Устройство ввода по п. 3, в котором опору для пальцев перемещают на первое расстояние, чтобы выдвинуть проволочный направитель из дистального отверстия иглы, причем опору для пальцев перемещают на второе расстояние после перемещения на первое расстояние, чтобы выдвинуть катетер в дистальном направлении.4. The input device according to claim 3, wherein the finger support is moved to the first distance to extend the guide wire from the distal hole of the needle, the finger support is moved to the second distance after moving to the first distance, to extend the catheter in the distal direction. 5. Устройство ввода по п. 4, в котором элемент выдвижения перемещают посредством опоры для пальцев при перемещении опоры для пальцев на второе расстояние, причем катетер разъемно прикреплен к элементу выдвижения.5. The input device according to claim 4, wherein the extension member is moved by the support for the fingers when the support for the fingers is moved to a second distance, the catheter being detachably attached to the extension member. 6. Устройство ввода по п. 1, в котором узел выдвижения включает в себя первый элемент, используемый для выдвижения проволочного направителя, и второй элемент, используемый для выдвижения катетера, причем пользователь перемещает палец, при этом быстрое перемещение пальца с первого элемента на второй элемент не требует существенного изменения положения пальца.6. The input device according to claim 1, wherein the extension assembly includes a first element used to extend the guidewire and a second element used to extend the catheter, the user moving a finger, while quickly moving the finger from the first element to the second element does not require a significant change in the position of the finger. 7. Устройство ввода по п. 6, в котором первый элемент выполнен с возможностью дистального скольжения к дистальной конечной точке, которая находится вблизи проксимальной начальной точки второго элемента.7. The input device according to claim 6, wherein the first element is adapted to distal slip to a distal end point which is near the proximal starting point of the second element. 8. Устройство ввода по п. 1, в котором узел выдвижения перемещают на первое расстояние, чтобы выдвинуть проволочный направитель из дистального отверстия иглы, причем узел выдвижения перемещают на второе расстояние после перемещения на первое расстояние, чтобы выдвинуть катетер в дистальном направлении.8. The input device of Claim 1, wherein the extension assembly is moved to a first distance to extend the guide wire from the distal hole of the needle, the extension assembly is moved to a second distance after moving to the first distance, to extend the catheter in the distal direction. 9. Устройство ввода по п. 8, в котором перемещение узла выдвижения на второе расстояние приводит к перемещению катетера на первое частичное расстояние, а в результате следующего действия пользователя катетер перемещается в конечное положение.9. The input device according to claim 8, wherein moving the extension assembly to a second distance causes the catheter to move to the first partial distance, and as a result of the next user action, the catheter moves to its final position. 10. Устройство ввода по п. 8, в котором после перемещения узла выдвижения на первое расстояние предотвращается дальнейшее выдвижение проволочного направителя.10. The input device according to claim 8, wherein after moving the extension assembly to the first distance, further extension of the wire guide is prevented. 11. Устройство ввода по п. 8, в котором при перемещении узла выдвижения на второе расстояние происходит полное дистальное выдвижение катетера.11. The input device according to claim 8, wherein when the extension assembly is moved to a second distance, a full distal extension of the catheter occurs. 12. Устройство ввода по п. 1, в котором узел выдвижения включает в себя узел выдвижения проволочного направителя и узел выдвижения катетера.12. The input device according to claim 1, wherein the extension assembly includes the guide wire extension assembly and the catheter extension assembly. 13. Устройство ввода по п. 12, в котором узел выдвижения проволочного направителя выполнен с возможностью дистального выдвижения только проволочного направителя.13. The input device according to claim 12, wherein the wire guide extension member is configured to distally extend only the wire guide. 14. Устройство ввода по п. 1, в котором узел проволочного направителя включает в себя телескопический участок, проходящий от корпуса при выдвижении катетера в дистальном направлении.14. The input device according to claim 1, wherein the wire guide assembly includes a telescopic portion extending from the housing when the catheter is extended in the distal direction. 15. Устройство ввода по п. 1, в котором узел выдвижения дополнительно включает в себя элемент защиты иглы, выполненный с возможностью защиты дистального кончика иглы после использования устройства ввода.15. The input device according to claim 1, wherein the extension assembly further includes a needle protection element adapted to protect the distal needle tip after using the input device. 16. Устройство ввода по п. 1, в котором по меньшей мере участок проволочного направителя имеет профиль поперечного сечения по существу скругленной прямоугольной формы.16. The input device according to claim 1, wherein at least a portion of the wire guide has a cross-sectional profile of a substantially rounded rectangular shape. 17. Устройство ввода по п. 1, в котором проволочный направитель имеет профиль поперечного сечения, образующий первую и вторую прорези, образованные продольно вдоль по меньшей мере участка длины проволочного направителя.17. The input device according to claim 1, wherein the guidewire has a cross-sectional profile forming the first and second slots formed longitudinally along at least a portion of the length of the guidewire. 18. Устройство ввода по п. 1, в котором проволочный направитель имеет профиль поперечного сечения, образующий первую, вторую и третью прорези, образованные продольно вдоль по меньшей мере участка длины проволочного направителя.18. The input device according to claim 1, wherein the guide wire has a cross-sectional profile forming the first, second and third slots formed longitudinally along at least a portion of the length of the guide wire. 19. Устройство ввода по п. 1, дополнительно включающее в себя непрерывный индикатор поступления крови, выполненный с возможностью уведомления пользователя о наличии крови в просвете иглы.19. The input device according to claim 1, further comprising a continuous indicator of blood flow, configured to notify the user of the presence of blood in the needle lumen. 20. Узел иглы, содержащий: иглу, образующую просвет иглы;20. A needle assembly containing: a needle forming a needle lumen; первую прорезь, образованную в боковой стенке иглы, чтобы обеспечить прохождение через нее крови из просвета иглы, когда открытый дистальный кончик иглы расположен в кровеносном сосуде пациента; иa first slot formed in the side wall of the needle to allow blood to pass through it from the needle lumen when the open distal tip of the needle is located in the patient’s blood vessel; and индикатор поступления крови, выполненный с возможностью указания на наличие крови внутри просвета иглы, причем индикатор поступления крови включает в себя прозрачную камеру поступления крови, расположенную вокруг иглы с охватом первой прорези и выполненную так, что кровь, присутствующая в просвете иглы, проходит из просвета иглы через первую прорезь в камеру поступления крови, чтобы пользователь узла иглы мог ее видеть.the indicator of blood flow, made with the possibility of indicating the presence of blood inside the lumen of the needle, and the indicator of blood flow includes a transparent chamber of blood flow, located around the needle with the coverage of the first slot and designed so that the blood present in the lumen of the needle, passes from the lumen of the needle through the first slot into the blood collection chamber so that the user of the needle assembly can see it. 21. Узел иглы по п. 20, в котором камера поступления крови герметично уплотнена вокруг иглы.21. The needle assembly of claim 20, wherein the blood flow chamber is hermetically sealed around the needle. 22. Узел иглы по п. 21, дополнительно содержащий вторую прорезь, окруженную камерой поступления крови, причем вторая прорезь выполнена с возможностью обеспечения выравнивания давления воздуха внутри камеры поступления крови.22. The needle assembly of clause 21, further comprising a second slot surrounded by a blood flow chamber, the second slot being adapted to equalize the air pressure inside the blood flow chamber. 23. Узел иглы по п. 22, в котором вторая прорезь расположена проксимально относительно первой прорези.23. The needle assembly of claim 22, wherein the second slot is located proximal to the first slot. 24. Узел иглы по п. 20, в котором камера поступления крови непрерывно заполняется кровью, пока открытый дистальный кончик иглы располагается в сосуде пациента.24. The needle assembly of claim 20, wherein the blood supply chamber is continuously filled with blood while the open distal tip of the needle is located in the patient's vessel. 25. Узел иглы по п. 20, в котором проволочный направитель расположен внутри просвета иглы, причем кровь проходит между проволочным направителем и внутренней стенкой иглы.25. The needle assembly of claim 20, wherein the guide wire is located inside the needle lumen, wherein blood passes between the guide wire and the inner wall of the needle. 26. Узел иглы по п. 20, в котором вблизи камеры поступления крови расположены указатели, выполненные с возможностью измерения количества крови внутри камеры поступления крови.26. A needle assembly according to claim 20, wherein pointers are arranged in the vicinity of the blood flow chamber, which are configured to measure the amount of blood inside the blood flow chamber. 27. Узел иглы, содержащий: иглу, образующую просвет иглы;27. A needle assembly comprising: a needle forming a needle lumen; прорезь, образованную в боковой стенке иглы, чтобы обеспечить прохождение через нее крови из просвета иглы, когда открытый дистальный кончик иглы расположен в кровеносном сосуде пациента; иa slot formed in the side wall of the needle to allow blood to pass through it from the needle lumen when the open distal tip of the needle is located in the patient’s blood vessel; and индикатор поступления крови, выполненный с возможностью указания на наличие крови внутри просвета иглы, причем индикатор поступления крови включает в себя абсорбирующий материал, расположенный вокруг иглы и выполненный с возможностью абсорбции крови, которая проходит из просвета иглы через прорезь так, чтобы пользователь узла иглы мог видеть абсорбированную кровь.indicator of blood flow, made with the possibility of indicating the presence of blood inside the needle lumen, and the indicator of blood flow includes absorbent material located around the needle and made with the possibility of absorption of blood, which passes from the needle lumen through the slot so that the user of the needle assembly can see absorbed blood. 28. Узел иглы по п. 27, в котором абсорбирующий материал выполнен так, чтобы кровь могла непрерывно перемещаться по абсорбирующему материалу, пока открытый дистальный кончик иглы располагается в сосуде пациента.28. The needle assembly of claim 27, wherein the absorbent material is configured so that blood can continuously move along the absorbent material while the open distal tip of the needle is located in the patient's vessel. 29. Узел иглы по п. 27, в котором абсорбирующий материал имеет по существу цилиндрическую форму и включает в себя по меньшей мере один из натурального материала и синтетического материала.29. The needle assembly of claim 27, wherein the absorbent material has a substantially cylindrical shape and includes at least one of a natural material and a synthetic material. 30. Узел иглы по п. 27, в котором абсорбирующий материал покрывает прорезь и проходит проксимально от прорези вдоль внешней поверхности иглы.30. The needle assembly of claim 27, wherein the absorbent material covers the slot and extends proximally from the slot along the outer surface of the needle. 31. Узел иглы по п. 27, в котором абсорбирующий материал включает в себя хлопок и закрыт крышкой.31. The needle assembly of claim 27, wherein the absorbent material includes cotton and is closed with a lid. 32. Узел иглы по п. 31, в котором крышка включает в себя полимерный материал.32. The needle assembly of claim 31, wherein the cap includes a polymeric material. 33. Узел иглы по п. 27, в котором абсорбирующий материал выполнен с возможностью расширения в по меньшей мере одном из радиального направления и продольного направления после абсорбции жидкости.33. The needle assembly of claim 27, wherein the absorbent material is configured to expand in at least one of the radial direction and the longitudinal direction after absorption of the liquid. 34. Узел иглы по п. 27, в котором указатели расположены вблизи абсорбирующего материала и выполнены с возможностью измерения количества крови, абсорбированной абсорбирующим материалом.34. The needle assembly of claim 27, wherein the indicators are located near the absorbent material and are configured to measure the amount of blood absorbed by the absorbent material. 35. Узел иглы, содержащий: иглу, образующую просвет иглы;35. A needle assembly containing: a needle forming a needle lumen; индикатор поступления крови, выполненный с возможностью указания на наличие жидкости внутри просвета иглы, причем индикатор поступления крови включает в себя удлиненный канал, соединенный по текучей среде с просветом иглы, при этом канал образует путь, по которому проходит жидкость, присутствующая в просвете иглы, причем пользователь узла иглы может видеть жидкость, проходящую по пути.the indicator of blood flow, made with the possibility of indicating the presence of fluid inside the lumen of the needle, and the indicator of blood flow includes an elongated channel connected in fluid with the lumen of the needle, the channel forms the path through which the fluid present in the lumen of the needle, and the user of the needle assembly can see fluid passing along the path. 36. Узел иглы по п. 35, в котором жидкость проходит вдоль пути, пока открытый дистальный кончик иглы располагается в сосуде пациента.36. The needle assembly of claim 35, wherein the fluid passes along the path while the open distal tip of the needle is located in the patient’s vessel. 37. Узел иглы по п. 35, в котором на поверхности по меньшей мере одного из узла иглы и медицинского устройства образован канал.37. The needle assembly of claim 35, wherein a channel is formed on the surface of at least one of the needle assembly and the medical device. 38. Узел иглы по п. 35, в котором путь образует извилистый путь.38. The needle assembly of claim 35, wherein the path forms a winding path. 39. Узел иглы по п. 35, в котором узел иглы включен в медицинское устройство, причем путь образован на участке медицинского устройства.39. The needle assembly of claim 35, wherein the needle assembly is included in a medical device, with a path being formed in the area of the medical device. 40. Узел иглы по п. 39, в котором медицинское устройство представляет собой устройство ввода катетера.40. The needle assembly of claim 39, wherein the medical device is a catheter insertion device. 41. Узел иглы по п. 40, в котором путь образован на узле выдвижения устройства ввода катетера.41. The needle assembly of claim 40, wherein the path is formed on the extension assembly of the catheter insertion device. 42. Узел иглы по п. 35, в котором указатели расположены вблизи пути и выполнены с возможностью измерения количества крови, находящейся в пределах пути.42. The needle assembly of claim 35, wherein the pointers are located near the path and are configured to measure the amount of blood within the path. 43. Узел иглы по п. 35, в котором путь имеет конфигурацию одной из винтовой, спиральной, возвратно-поступательной, зигзагообразной, с ответвлениями и круглой формы.43. Needle assembly according to claim 35, in which the path has the configuration of one of a helical, spiral, reciprocating, zigzag, with branches and a round shape. 44. Узел иглы по п. 35, в котором канал соединен по текучей среде с проксимальным концом иглы.44. The needle assembly of claim 35, wherein the channel is fluidly connected to the proximal end of the needle. 45. Элемент защиты иглы для узла иглы, содержащий: блокирующий элемент, образующий:45. The needle shield for a needle assembly, comprising: a blocking element forming: отверстие, через которое сначала проходит игла;the hole through which the needle first passes; пружинный элемент; иspring element; and кулачковый следящий элемент; и кулачковый элемент, выполненный с возможностью функционального зацепления с кулачковым следящим элементом, причем кулачковый элемент выполнен с возможностью перемещения между первым положением, в котором кулачок сжимает пружинный элемент так, что отверстие блокирующего элемента совмещается с продольной осью иглы, и вторым положением, в котором кулачок больше не сжимает пружинный элемент, так что отверстие блокирующего элемента не совмещается с продольной осью иглы после извлечения иглы из отверстия во избежание повторного введения иглы через отверстие.cam tracking element; and a cam element adapted to engage with a cam follower element, the cam element being movable between a first position in which the cam presses the spring element so that the opening of the locking element is aligned with the longitudinal axis of the needle and the second position in which the cam no longer squeezes the spring element, so that the opening of the blocking element is not aligned with the longitudinal axis of the needle after removing the needle from the hole to avoid re-insertion needle through the opening. 46. Элемент защиты иглы по п. 45, в котором блокирующий элемент включает в себя уплощенную удлиненную планку, причем кулачковый следящий элемент включает в себя крючкообразный участок, расположенный на первом конце планки.46. The needle shield of claim 45, wherein the blocking element includes a flattened elongated bar, the cam tracking element including a hook-shaped portion located at the first end of the bar. 47. Элемент защиты иглы по п. 46, в котором пружинный элемент включает в себя волнообразный участок планки, расположенный вблизи второго конца планки.47. The needle shield of claim 46, wherein the spring member includes a wave-like portion of the bar located near the second end of the bar. 48. Элемент защиты иглы по п. 45, в котором кулачковый элемент в первом положении входит в зацепление с участком узла катетера, расположенным на участке иглы, причем кулачковый элемент во втором положении высвобождается из зацепления с участком узла катетера.48. The needle shield of claim 45, wherein the cam element in the first position engages with a portion of the catheter assembly located in the needle portion, the cam member in the second position is released from the mesh with the portion of the catheter assembly. 49. Элемент защиты иглы по п. 48, в котором участок узла катетера, зацепленный кулачковым элементом в первом положении, включает в себя канюлю узла катетера.49. The needle shield of claim 48, wherein the portion of the catheter assembly engaged by the cam member in the first position includes a cannula of the catheter assembly. 50. Устройство ввода для введения катетера в тело пациента, содержащее: корпус;50. An input device for inserting a catheter into a patient’s body, comprising: a housing; полую иглу, дистально проходящую от корпуса, причем по меньшей мере участок катетера изначально расположен поверх иглы так, что катетер расположен по существу снаружи корпуса;a cannula distally extending from the body, with at least a portion of the catheter initially located over the needle so that the catheter is located substantially outside the body; проволочный направитель;guidewire; узел выдвижения проволочного направителя, включающий в себя рычаг проволочного направителя, выполненный с возможностью выборочного выдвижения дистального конца проволочного направителя из дистального конца иглы; иsite extension wire guide, which includes a lever wire guide, made with the possibility of selective extension of the distal end of the wire guide from the distal end of the needle; and узел выдвижения катетера, выполненный с возможностью обеспечения выдвижения катетера в дистальном направлении,node extension of the catheter, configured to ensure the extension of the catheter in the distal direction, при этом устройство ввода выполнено с возможностью захвата устройства пользователем во время использования одной рукой, и при этом пользователь может выполнять выдвижение проволочного направителя и катетера с помощью одной руки.wherein the input device is adapted to be gripped by the user during use with one hand, while the user can extend the guide wire and the catheter with one hand. 51. Устройство ввода по п. 50, в котором узел выдвижения проволочного направителя включает в себя рычаг проволочного направителя, включающий в себя опору для пальцев, выполненную с возможностью перемещения пользователем для выдвижения проволочного направителя.51. The input device according to claim 50, wherein the wire guide extension member includes a wire guide lever, including a finger rest, which is adapted for movement by the user to extend the wire guide. 52. Устройство ввода по п. 51, в котором опора для пальцев расположена с возможностью скольжения на корпусе.52. The input device according to claim 51, wherein the finger support is slidably mounted on the housing. 53. Устройство ввода по п. 52, в котором опору для пальцев перемещают на первое расстояние, чтобы посредством рычага проволочного направителя выдвинуть проволочный направитель из дистального отверстия иглы, причем опору для пальцев перемещают на второе расстояние после перемещения на первое расстояние, чтобы посредством рычага проволочного направителя выдвинуть катетер в дистальном направлении.53. The input device according to claim 52, wherein the finger support is moved to a first distance so that the wire guide moves the guide wire from the distal hole of the needle with the lever of the wire guide, the finger support is moved to the second distance after moving the first distance so that the wire guide guide to extend the catheter in the distal direction. 54. Устройство ввода по п. 53, в котором элемент выдвижения перемещают дистально посредством рычага проволочного направителя при перемещении опоры для пальцев на второе расстояние, причем элемент выдвижения изначально перед перемещением по существу расположен внутри корпуса, при этом катетер разъемно прикреплен к элементу выдвижения.54. The input device according to claim 53, wherein the extension member is moved distally by means of a wire guide lever when the support for the fingers is moved a second distance, with the extension member initially being located essentially inside the body before the displacement, while the catheter is detachably attached to the extension member. 55. Устройство ввода по п. 54, в котором дистальное перемещение элемента выдвижения приводит к перемещению катетера дистально на первое частичное расстояние, а в результате следующего действия пользователя катетер перемещается в конечное положение.55. The input device according to claim 54, wherein the distal movement of the extension member causes the catheter to be moved distally to the first partial distance, and as a result of the user's next action, the catheter moves to the final position. 56. Устройство ввода по п. 55, в котором по меньшей мере один язычок включен в элемент выдвижения, чтобы обеспечивать ручное выдвижение элемента выдвижения пользователем.56. The input device according to claim 55, wherein at least one tongue is included in the extension member to allow the user to extend the extension member manually. 57. Устройство ввода по п. 56, в котором элемент выдвижения включает в себя дистальный участок, причем дистальный участок включает в себя первый и второй язычки для зацепления, выполненные с возможностью высвобождаемого удерживания катетера на месте поверх иглы перед выдвижением элемента выдвижения, при этом игла изначально расположена между язычками для зацепления, что обуславливает зацепление язычков для зацепления с катетером, при этом язычки для зацепления высвобождаются из зацепления с катетером после дистального выдвижения элемента выдвижения за пределы дистального конца иглы таким образом, чтобы игла больше не располагалась между язычками для зацепления.57. The input device according to claim 56, wherein the extension member includes a distal portion, wherein the distal portion includes first and second tongues for engagement, configured to release the catheter released in place over the needle before extending the extension member, while the needle initially located between the tongues for engagement, which causes the hooks to engage with the catheter, while the hooks for engagement are released from the engagement with the catheter after the distal extension of the and extension beyond the distal end of the needle so that the needle is no longer located between the tongues for engagement. 58. Устройство ввода по п. 57, в котором элемент выдвижения выполнен с возможностью защиты дистального конца иглы после полного дистального выдвижения элемента выдвижения.58. The input device according to claim 57, wherein the extension member is configured to protect the distal end of the needle after the complete distal extension of the extension member. 59. Устройство ввода по п. 58, в котором элемент выдвижения включает в себя один или более блокирующих язычков, которые входят в зацепление с участком корпуса после полного дистального выдвижения элемента выдвижения для предотвращения повторного входа элемента выдвижения в корпус.59. The input device according to claim 58, wherein the extension member includes one or more blocking reeds that engage with a body portion after full distal extension of the extension member to prevent the extension member from re-entering the housing. 60. Устройство ввода по п. 59, дополнительно включающее в себя непрерывный индикатор поступления крови, выполненный с возможностью уведомления пользователя о наличии крови в просвете иглы, содержащий:60. The input device according to claim 59, further comprising a continuous blood flow indicator, configured to notify the user of the presence of blood in the needle lumen, comprising: первую прорезь, образованную в боковой стенке иглы, чтобы обеспечить прохождение через нее крови из просвета иглы, когда дистальный конец иглы расположен в кровеносном сосуде пациента; иa first slot formed in the side wall of the needle to allow blood to pass through it from the needle lumen when the distal end of the needle is located in the patient’s blood vessel; and индикатор поступления крови, выполненный с возможностью указания на наличие крови внутри просвета иглы, причем индикатор поступления крови включает в себя прозрачную камеру поступления крови, расположенную вокруг иглы с охватом первой прорези и выполненную так, что кровь, присутствующая в просвете иглы, проходит из просвета иглы через первую прорезь в камеру поступления крови так, чтобы пользователь устройства ввода мог ее видеть.the indicator of blood flow, made with the possibility of indicating the presence of blood inside the lumen of the needle, and the indicator of blood flow includes a transparent chamber of blood flow, located around the needle with the coverage of the first slot and designed so that the blood present in the lumen of the needle, passes from the lumen of the needle through the first slot into the blood collection chamber so that the user of the input device can see it. 61. Устройство ввода по п. 60, в котором камера поступления крови герметично уплотнена вокруг иглы.61. The input device according to claim 60, wherein the blood flow chamber is hermetically sealed around the needle. 62. Устройство ввода по п. 61, дополнительно содержащее вторую прорезь, окруженную камерой поступления крови, причем вторая прорезь выполнена с возможностью обеспечения повторного поступления крови, присутствующей в камере поступления крови, в просвет иглы.62. The input device according to claim 61, further comprising a second slot surrounded by a blood flow chamber, the second slot being adapted to provide for the second flow of blood present in the blood flow chamber into the needle lumen. 63. Устройство ввода по п. 62, в котором устройство ввода включает в себя указатели, выполненные с возможностью измерения количества крови, находящейся в камере поступления крови.63. The input device according to claim 62, wherein the input device includes pointers configured to measure the amount of blood in the blood collection chamber. 64. Узел иглы по п. 63, в котором указатели могут включать в себя множество ребер, охватывающих дистальный участок указателей элемента выдвижения вблизи камеры поступления крови, причем пользователь может видеть через ребра кровь, находящуюся в камере поступления крови.64. The needle assembly of clause 63, wherein the pointers may include a plurality of ribs covering the distal portion of the pointers of the extension member near the blood entry chamber, wherein the user can see blood through the ribs in the blood flow chamber. 65. Устройство ввода по п. 64, в котором проволочный направитель включает в себя проксимальный конец, прикрепленный к участку корпуса, дистальный конец, изначально расположенный внутри иглы, и промежуточный участок, по существу образующий U-образный изгиб.65. The input device according to claim 64, wherein the guide wire includes a proximal end attached to the body portion, a distal end initially positioned inside the needle, and an intermediate portion substantially forming a U-shaped bend. 66. Устройство ввода по п. 65, в котором дистальный конец проволочного направителя включает в себя атравматическое приспособление, включающее в себя по меньшей мере одно из J-образного кончика, прикрепленного шара, кончика в форме венчика и закрученной конфигурации.66. The input device according to claim 65, wherein the distal end of the wire guide includes an atraumatic device including at least one of a J-shaped tip, an attached ball, a nimbus-shaped tip, and a twisted configuration. 67. Устройство ввода по п. 50, в котором узел выдвижения проволочного направителя выполнен с возможностью предотвращения выдвижения катетера до выполнения дистального выдвижения проволочного направителя.67. The input device according to claim 50, wherein the wire guide follower assembly is configured to prevent the catheter from extending before performing the distal wire guide extension. 68. Устройство ввода по п. 50, в котором игла закреплена внутри корпуса с помощью канюли иглы, причем канюля иглы выполнена за одно целое с корпусом, при этом канюля иглы включает в себя карман, выполненный с возможностью размещения в нем адгезива для закрепления иглы в канюле иглы.68. The input device according to claim 50, wherein the needle is secured inside the housing using a needle cannula, the needle cannula being made in one piece with the housing, wherein the needle cannula includes a pocket configured to accommodate an adhesive therein for fixing the needle in cannula needle. 69. Устройство ввода по п. 50, в котором узел выдвижения катетера включает в себя множество проходящих наружу крылышек, выполненных с возможностью предотвращения повторного входа элемента выдвижения катетера в корпус после дистального выдвижения катетера.69. The input device according to claim 50, wherein the catheter extending unit includes a plurality of outwardly extending wings configured to prevent the catheter extension member from re-entering the body after the distal catheter extending. 70. Узел иглы, содержащий:70. Needle assembly containing: иглу, образующую просвет иглы, причем игла по меньшей мере частично расположена в корпусе;a needle forming the lumen of the needle, the needle being at least partially located in the body; прорезь, образованную в боковой стенке иглы, чтобы обеспечить прохождение через нее крови из просвета иглы, когда открытый дистальный кончик иглы расположен в кровеносном сосуде пациента; иa slot formed in the side wall of the needle to allow blood to pass through it from the needle lumen when the open distal tip of the needle is located in the patient’s blood vessel; and индикатор поступления крови, выполненный с возможностью указания на наличие жидкости внутри просвета иглы, причем индикатор поступления крови включает в себя абсорбирующий материал, расположенный вокруг иглы и выполненный с возможностью абсорбции жидкости, которая проходит из просвета иглы через прорезь так, чтобы пользователь узла иглы мог видеть абсорбированную жидкость, причем абсорбирующий материал включает в себя:indicator of blood flow, made with the possibility of indicating the presence of fluid inside the lumen of the needle, and the indicator of blood flow includes absorbent material located around the needle and made with the possibility of absorption of fluid that passes from the lumen of the needle through the slot so that the user node needle can see absorbed liquid, and the absorbent material includes: первый участок, расположенный вблизи прорези;the first section located near the slot; второй участок, прикрепленный к внутренней поверхности корпуса; иthe second section attached to the inner surface of the housing; and участок троса, соединяющий первый и второй участки абсорбирующего материала.the section of the cable connecting the first and second sections of absorbent material. 71. Узел иглы по п. 70, в котором игла выполнена с возможностью втягивания в корпус, причем участок троса выполнен с возможностью разрыва после втягивания иглы так, что второй участок абсорбирующего материала остается на внутренней поверхности корпуса.71. The needle assembly of clause 70, wherein the needle is configured to retract into the housing, the cable portion being configured to rupture after retracting the needle so that the second portion of absorbent material remains on the inner surface of the housing. 72. Узел иглы по п. 70, в котором участок корпуса вблизи второго участка абсорбирующего материала является прозрачным, чтобы пользователь мог видеть жидкость, абсорбированную вторым участком абсорбирующего материала.72. The needle assembly of clause 70, wherein the body portion near the second portion of the absorbent material is transparent so that the user can see the fluid absorbed by the second portion of the absorbent material.
RU2017141815A 2015-05-15 2016-05-13 Catheter placement device comprising a needle protector configured to extend RU2722931C2 (en)

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US201562162548P 2015-05-15 2015-05-15
US62/162,548 2015-05-15
PCT/US2016/032449 WO2016187037A1 (en) 2015-05-15 2016-05-13 Catheter placement device including an extensible needle safety component

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RU2017141815A3 RU2017141815A3 (en) 2020-02-06
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